https://bugs.kde.org/show_bug.cgi?id=445714
Bug ID: 445714
Summary: Regression: Transform tool allows sub-pixel
translation
Product: krita
Version: nightly build (please specify the git hash!)
Platform: Microsoft Windows
OS: Microsoft Windows
Status: REPORTED
Severity: normal
Priority: NOR
Component: Tools/Transform
Assignee: krita-bugs-n...@kde.org
Reporter: i...@ralek.art
Target Milestone: ---
Created attachment 143704
--> https://bugs.kde.org/attachment.cgi?id=143704&action=edit
Loss in quality over multiple translations
In 5.1.0, both in modern builds (git 4807d9c) and in builds prior to the
addition of the 'Preview' transform tool option (git 9ae7dce), translation of a
layer with the transform tool introduces sub-pixel translation of layers. When
the transformation has been finished and the layer resampled, this introduces a
loss in layer quality which can compound over time. (See attached)
This is less noticeable on the 'nearest neighbor' resampling method, though has
been shown to in rare cases affect this as well, primarily on the edge of the
layer.
This bug does not occur on the latest main 4.4.8 release
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